220 THE STRUCTURE OF MAX 



CERCOPITHECDS. A family of African Apes [the "Green Monkeys" of 

 menageries]. 



CEEVUS CAPREOLUS. The Roebuck. 



CETACEA. An order of Aquatic Mammals (Whales, Dolphins, and Porpoises). 



CHELONIA. Turtles and Tortoises. 



[CHIMPANZEES. Anthropoid Apes, readily remarkable for the relative short- 

 ness of the fore-limb. Confined to West and Central Equatorial Africa.] 



CHIROPTERA. Bats. 



CHOLOZPUS. The two-toed Sloth of Northern South America. 



COSLOGENYS. The " Paca," a large Rodent somewhat resembling the Guinea- 

 Pig, inhabiting Central and South America. 



DASYPROCTA. The " Agouti," a near relative of the Ccelogenys. 



DASYPUS. One of the Armadillos. 



DELPHIXUS. The common Dolphin. 



DICOTYLES. The Peccary, or New World Pig. 



DIDELPHIA. Marsupials, Mammalia having two vaginae. 



DIPNOI. Fishes having not a few points of resemblance to the Amphibia. 



[Remarkable among fishes for the conversion of the air-bladder into a 



functional lung] (confined to certain rivers of Queensland, Tropical 



Africa, and South America). 

 DUCKBILL. The "Platypus" of Australia, one of the Monotremata. (Cf. 



Aplacentalia and Ornithodelphia.) 



ECHIDNA. The " Spiny Ant-Eater " of Australia, one of the Monotremata. 



(Cf. Aplacentalia and Ornithodelphia.) 

 EDENTATA. An order of Mammals, comprising the Ant-Eaters, Armadillos, 



and Sloths. 

 [ELASMOBRANCHII. The lowest living order of true Fishes, includes the Sharks, 



Rays, and Herring Kings, with their allies.] 

 [EMBRYOLOGY. The study of the earlier growth stages of living organisms, 



in the higher animals up to the completion of organ formation. A 



department of the wider study of Development] 

 ERINACEUS. The Hedgehog. 



GANOIDEI. A group of living Fishes, [including the Sturgeons, the Bony 



Pikes of North America, and the Polypterus or " Bichir " of the Nile, 



and their allies.] 

 GORILLAS. [The largest of the Anthropoid Apes. Confined to West 



Equatorial Africa.] 

 GYMNOPHIONA. Limbless Amphibians (Coecilians) with Snake-like bodies, 



some of which are known to live a subterranean life. 



HATTERIA. The "Tuatara" of New Zealand. A "Lizard" of very 

 primitive structure. 



[HISTOLOGY. The study of the minute structure of tissues and organs.] 



HoMffiosAURUs. A Fossil Lizard [of the Jurassic of the European Continent]. 



HYLOBATES. The Gibbons ["Long -armed Apes." Anthropoid Apes, con- 

 fined to South-east Asia. The only Apes which habitually walk upright]. 



HYPEROODON. A toothed Whale of the North Atlantic, sometimes called the 

 " Bottlenose." 



HYSTRIX. The Porcupine. 



